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Run results for:
javascript loops with reduce 5
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<iframe src="https://measurethat.net/Embed?id=542014" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36
Browser:
Chrome 128
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
for-of
61/s
for
56/s
foreach
55/s
optimized-for
55/s
reduce
54/s
for-in
48/s
View exact numbers
Test name
Executions per second
✓
for-of
61 Ops/sec
for
56 Ops/sec
foreach
55 Ops/sec
optimized-for
55 Ops/sec
reduce
54 Ops/sec
for-in
48 Ops/sec
Tests:
foreach
const items = Array.from({length: 100000}, () => Math.floor(Math.random() * 40)); let index = 0; items.forEach(i => index++);
for-in
const items = Array.from({length: 100000}, () => Math.floor(Math.random() * 40)); let index = 0; const newArray = []; for (let i in items) { newArray.push(i); }
for-of
const items = Array.from({length: 100000}, () => Math.floor(Math.random() * 40)); let index = 0; const newArray = []; for (let i of items) { newArray.push(i); }
for
const items = Array.from({length: 100000}, () => Math.floor(Math.random() * 40)); let index = 0; const newArray = []; for(let i = 0; i < items.length; ++i) { newArray.push(items[i]); }
optimized-for
const items = Array.from({length: 100000}, () => Math.floor(Math.random() * 40)); let index = 0; const newArray = []; for(let i = items.length; i > 0; --i) { newArray.push(items[i]); }
reduce
const items = Array.from({length: 100000}, () => Math.floor(Math.random() * 40)); items.reduce((acc,value) => { acc.push(value); return acc; }, new Array());